Home / 726,062.88-1,089,094.56-299,592.48

Finding the Fourth Proportional to 726,062.88, 1,089,094.56 and 299,592.48

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Solution

The fourth proportional to 726,062.88, 1,089,094.56 and 299,592.48 is: 449,388.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,062.88 : 1,089,094.56 = 299,592.48 : x
  2. Step 2: Convert to fraction form
    726,062.88/1,089,094.56 = 299,592.48/x
  3. Step 3: Cross multiply
    726,062.88x = 1,089,094.56 × 299,592.48
  4. Step 4: Simplify right side
    726,062.88x = 326,284,540,184.91
  5. Step 5: Solve for x
    x = 326,284,540,184.91/726,062.88
  6. Step 6: Final answer
    x = 449,388.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.